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Astronomy Picture of the Day
Fata Morgana: A Possibly Titanic Mirage
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#113621
by
[z]Barbara Harris
@
16.04.2012 00:00
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Fata Morgana: A Possibly Titanic Mirage
Explanation: Did this mirage help sink the Titanic? The optical phenomenon called
Fata Morgana
can make
strange shapes
or a
false wall of water
appear above a watery horizon. When conditions are right, light reflecting off of cold water will be
bent
by an unusual layer of warm air above to arrive at the observer from several different angles. A conceptually comparable
mirage
can make a
setting Sun
appear
strangely distorted
or a
distant pavement appear wet
. One hundred years ago today, such a Fata Morgana mirage
might have obscured
real
icebergs
from the clear view of
crew
onboard the
Titanic
. Additional evidence for this
distortion hypothesis
arises from the nearby vessel
SS Californian
which reported sightings consistent with
Fata Morgana
mirages. The above
Fata Morgana
mirage was taken off the US Pacific coast in 2008.
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